The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  4  2  4  1  2  2  4  4  1  4  4  1  0  0  2  2  4  4  4
 0 12  0  0  0  0  0  0  0  0  0  8  4  4  4  8 12  0 12 12  4  8  8  8  4  0 12  4 12  0  4 12  4  0  4  4  8  8 12 12 12  0 12  8  8  0  4  4 12  4  8  4  8  4  4 12  8  0  8 12
 0  0 12  0  0  0  0  0  0  0  0 12  8 12  4  4 12  4  4  0  8  0 12 12  4  4  0 12  8  4  0  8  8  8 12  4  8  4  8  0  0  4 12  4 12 12 12  0  4  8  8  0  0 12 12 12  0 12  8  4
 0  0  0 12  0  0  0  4 12 12  8  4 12  0 12  4  8  0 12 12  8 12  8 12  0  4 12  8  8  4  0  0  8  4 12  4 12  8  4 12  4 12 12  4  0  4  4 12  0  0  0  4  0  4 12  8  0  4  4  8
 0  0  0  0 12  0  4  4  4  0  8  0  0  0  0  0  0  8  8 12  4  4  4  4 12 12  8  4  4  8  4  8  0  0  4  8 12 12  0 12  8 12 12  0  4  4  4  8  4  8  8 12 12  0  0  8  4 12 12  0
 0  0  0  0  0 12  4  8  4  4  0  0  0  0  0  4  4  4 12  0  8  0  4  8  0  4  8 12 12  0  8 12  8 12  0 12 12 12  8  8 12  4 12 12  8  0  8  8  0  0  4  4  0  8  8 12  8  0  0 12
 0  0  0  0  0  0  8  8  0  8  8  8  8  8  0  8  8  0  0  8  0  0  0  8  0  0  0  8  8  0  8  8  8  0  8  8  8  8  8  0  8  0  0  8  0  8  8  0  0  8  8  8  0  8  0  0  0  0  8  8

generates a code of length 60 over Z16 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+74x^49+166x^50+186x^51+341x^52+432x^53+600x^54+1054x^55+1594x^56+2268x^57+3276x^58+4178x^59+4432x^60+4236x^61+3256x^62+2302x^63+1684x^64+966x^65+578x^66+382x^67+271x^68+180x^69+104x^70+82x^71+55x^72+36x^73+20x^74+6x^75+4x^76+2x^79+1x^80+1x^88

The gray image is a code over GF(2) with n=480, k=15 and d=196.
This code was found by Heurico 1.16 in 25.1 seconds.